Introduction
In the workup of a patient with known lung carcinoma
Complete blood count with platelet determination
Measurement of serum electrolytes, glucose, calcium, and phosphorus; renal and liver function tests
Electrocardiogram
Skin test for tuberculosis
Pulmonary function studies and arterial blood gas measurements if signs or symptoms of respiratory insufficiency are present
Sputum cytology is a test in which a sample of sputum is obtained so it can be examined under a microscope for cancer cells.
Bronchoscopy
Mediastinoscopy
Lung biopsy
Transbronchial needle aspiration (TBNA)
Lung function tests